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Finding the Third Proportional to 89,217,502 and 136,390,539

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Solution

The third proportional to 89,217,502 and 136,390,539 is: 208,505,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,217,502 : 136,390,539 = 136,390,539 : x
  2. Step 2: Convert to fraction form
    89,217,502/136,390,539 = 136,390,539/x
  3. Step 3: Cross multiply
    89,217,502x = 136,390,539 × 136,390,539
  4. Step 4: Simplify right side
    89,217,502x = 18,602,379,128,710,520
  5. Step 5: Solve for x
    x = 18,602,379,128,710,520/89,217,502
  6. Step 6: Final answer
    x = 208,505,940.11

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.